Russell Brand: “Don't Go To Vegas With Diddy”

Russell Brand may play a hard-partying rock star in "Get Him To The Greek," but the comedian says there's one man even he can't top — co-star Sean "Diddy" Combs.

"Don't go to Vegas with Diddy," Russell told Access Hollywood at the film's premiere at the Greek Theatre in LA on Tuesday night. "That's double Vegas."

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The hip-hop mogul took both Russell and co-star Jonah Hill on separate trips to Sin City, which Russell said was certainly a learning experience.

"Diddy gave me good tips. If you're with Diddy, you're partying. He's a one-man party. He's a fiesta," he said.

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Jonah also told Access that he had a wild time with Diddy – but that it was too wild to spill the details.

"Some stuff I can't say on Access Hollywood, nothing I can say in front of my girlfriend, unfortunately," he laughed.

As for Diddy himself, he downplayed the cast's crazy outings.

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"Yeah, yeah, yeah, took 'em to Vegas," he said. "I like to work on our chemistry."

Asked for advice, he kept it simple.

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"Just party till you feel like you're about to get sick," Diddy said.

"Get Him To The Greek" gets into theaters on June 4.

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